Question

if f(x)=1-x^2, what is the range of f?

Answer 1

First wat is the Domain can u find out

Answer 2

i dont know the domain

Answer 3

y = 1 - x^2


x^2 = 1-y

x = sqrt 1-y

Answer 4

so it should not be a complex number

Answer 5

the final answer is f(x) is greater than or equal to 1

Answer 6

1 - y > =0

y < = 1

Answer 7

Range = [1 , infinity)

Answer 8

Did u understand

Answer 9

no how do you get that answer?

Answer 10

take y = f(x)

Answer 11

okay then what?

Answer 12

f(x)=1-x^2

Answer 13

y = 1 - x^2


x^2 = 1-y

x = sqrt 1-y

Answer 14

i get it

Answer 15

ok.....

Answer 16

u have more question on this topic??

Answer 17

just inform me